By Gabriel Stargardter RIO DE JANEIRO (Reuters) – Brazil’s army, which is facing calls from President Jair Bolsonaro’s supporters to stage a coup after his election loss, is unhappy its generals are being derided as “watermelons” – green on the outside, communist red on the inside – by his fans. Since Bolsonaro lost the Oct. 30 vote against his leftist rival Luiz Inacio Lula da Silva, small but committed groups of his supporters across Brazil have camped out by army bases, begging the armed forces to overrule the election result. In recent days, it seems some of them have lost patience with th…